PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2325413-1 1990 The relationships between structure and inhibitory potency toward microsomal cytochrome P-450 (P-450)-mediated androst-4-ene-3,17-dione hydroxylase activities were investigated in rat liver with a series of 5 alpha- and 5 beta-androstane derivatives. androstane 227-237 cytochrome P450, family 2, subfamily g, polypeptide 1 Rattus norvegicus 77-93 819263-12 1976 It is suggested that one form of cytochrome P-450 catalyzes the hydroxylation of 5alpha-androstane-3alpha,17beta-diol in the 2beta- and 18-positions, another form the 12beta-, 15alpha- and 16alpha-hydroxylations of the same substrate and a third form the 15beta-hydroxylation of 5alpha-androstane-3alpha,17beta-diol3,17-disulphate. androstane 81-98 cytochrome P450, family 2, subfamily g, polypeptide 1 Rattus norvegicus 33-49 819263-12 1976 It is suggested that one form of cytochrome P-450 catalyzes the hydroxylation of 5alpha-androstane-3alpha,17beta-diol in the 2beta- and 18-positions, another form the 12beta-, 15alpha- and 16alpha-hydroxylations of the same substrate and a third form the 15beta-hydroxylation of 5alpha-androstane-3alpha,17beta-diol3,17-disulphate. androstane 279-296 cytochrome P450, family 2, subfamily g, polypeptide 1 Rattus norvegicus 33-49